Season 4

A wave of violence has broken out within the city, sending Superboy into tension-filled investigation. Little does he know he will soon be accused of murder.

Lana's life is in peril as Adam blackmails Tommy into creating a weapon to kill Superboy.

Kryptonite infects a young scientist during a lab explosion, causing him to use his newfound powers against Superboy.

Lana discovers an alien in her basement who steals her identity.

A strange formula gives Darla erratic powers, causing her to attack Superboy.

Paranoia strangles Capital City as residents become fearful of a race of invisible aliens who have just landed.

Lex Luthor has a plan to destroy the world's population with a series of dirty bombs, but first he must get rid of Superboy.

Superboy is trapped inside Lex Luthor's virtual reality computer program, and now Lana must enter the program to save Superboy before it's too late.

A troublesome ghost is haunting the Bureau, wreaking havoc on the office and its employees. To stop him Superboy and Lana must discover the secret as to how the ghost was killed in the building fifty years earlier.

Trying to protect his Aunt Cassandra, Superboy confronts a force which he cannot win against when death takes a human form.

While trying to help Bizarro with his depression, Superboy's powers are weakened, leaving him vulnerable to the evil villain Chaos, who plans to destroy him once and for all.

Bizarro grapples with the choice to be human or resort back to his original self in order to save Superboy from Chaos's destructive plans.

Superboy is kidnapped by an alien force and taken to a paradise planet near Alpha Centauri. Will he ever return?

A prison psychiatrist helps Lex Luthor and Metallo escape, all three quickly turning their attention to stopping Superboy once and for all.

Superboy continues to battle the newly formed threesome of Lex Luthor, Metallo and Dr. Odessa Vexman. As their destructive potential continues to rise, Superboy must stop them before it's too late.

Superboy continues to battle evil in "Out Of Luck."

Superboy's secret identity is challenged in "Who Is Superboy?"

Lex Luthor has just hit Superboy with a deadly kryptonite bomb. Now he gloriously recounts in detail how he planned and executed the devious plan, which he feels certain has killed Superboy.

A gym owner is using the blood of his younger customers, along with a gold derivative, to keep himself young. This results in an acceleration in the victims' aging process.

Superboy is on the verge of losing his powers forever, which causes his alter ego of Clark Kent to search for the elusive crystal which holds the key to his past and will ultimately lead him through his "Rites Of Passage."